/Engine/Plugins/Runtime/MeshModelingToolset/Source/ModelingComponents/Public/Scene/WorldRenderCapture.h
Emissive is a special case and uses different code than capture of color/property channels
bool CaptureEmissiveFromPosition ( const [FFrame3d](API\Runtime\GeometryCore\FFrame3d_1) & Frame, double HorzFOVDegrees, double NearPlaneDist, [FImageAdapter](API\Runtime\GeometryCore\Image\FImageAdapter) & ResultImageOut, const [FRenderCaptureConfig](API\Plugins\ModelingComponents\Scene\FRenderCaptureConfig) & Config )